body {
    min-height: 640px;
    width: 100%;
    position: absolute;
    min-height: 100%;
    overflow: hidden;
    margin: 0;
    padding: 0;
}
img {
    border: 0;
}
._info_detail {
    height: 560px;
    width: 178px;
    position: absolute;
    right: 0;
    top: 50%;
    margin-top: -280px;
}
._info_detail ul {
    padding: 0;
    margin: 0;
    position: absolute;
    right: 40px;
    width: 178px;
    list-style: none;
}

._info_detail ul li div {
    height: 104px;
    width: 178px;
}

._info_detail ul li {
    height: 104px;
    width: 178px;
}

._info_detail_1 {
    margin-top: 0px;
    background: url("../imgs/index_bg/1.png") no-repeat;
    background-size: 100%;
}

._info_detail_2 {
    margin-top: 10px;
    background: url("../imgs/index_bg/2.png") no-repeat;
    background-size: 100%;
}

._info_detail_3 {
    margin-top: 10px;
    background: url("../imgs/index_bg/3.png") no-repeat;
    background-size: 100%;
}

._info_detail_4 {
    margin-top: 10px;
    background: url("../imgs/index_bg/4.png") no-repeat;
    background-size: 100%;
}

._info_detail_5 {
    margin-top: 10px;
    background: url("../imgs/index_bg/5.png") no-repeat;
    background-size: 100%;
}

._info_detail_context_1:hover {
    background: url("../imgs/index_context/1-2.png") no-repeat;
    background-size: 100%;
}

._info_detail_context_2:hover {
    background: url("../imgs/index_context/2-2.png") no-repeat;
    background-size: 100%;
}

._info_detail_context_3:hover {
    background: url("../imgs/index_context/3-2.png") no-repeat;
    background-size: 100%;
}

._info_detail_context_4:hover {
    background: url("../imgs/index_context/4-2.png") no-repeat;
    background-size: 100%;
}

._info_detail_context_5:hover {
    background: url("../imgs/index_context/5-2.png") no-repeat;
    background-size: 100%;
}

._info_detail_context_1 {
    background: url("../imgs/index_context/1.png") no-repeat;
    background-size: 100%;
}

._info_detail_context_2 {
    background: url("../imgs/index_context/2.png") no-repeat;
    background-size: 100%;
}

._info_detail_context_3 {
    background: url("../imgs/index_context/3.png") no-repeat;
    background-size: 100%;
}

._info_detail_context_4 {
    background: url("../imgs/index_context/4.png") no-repeat;
    background-size: 100%;
}

._info_detail_context_5 {
    background: url("../imgs/index_context/5.png") no-repeat;
    background-size: 100%;
}
